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<a href="#pub-methods">Public Member Functions</a> &#124;
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<a href="classb2_circle_shape-members.html">List of all members</a>  </div>
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<div class="title">b2CircleShape Class Reference</div>  </div>
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<p>A circle shape.  
 <a href="classb2_circle_shape.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="b2_circle_shape_8h_source.html">b2CircleShape.h</a>&gt;</code></p>

<p>Inherits <a class="el" href="classb2_shape.html">b2Shape</a>.</p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a895ba8656a146d26a0c531e9dbea2e14"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a895ba8656a146d26a0c531e9dbea2e14"></a>
<a class="el" href="classb2_shape.html">b2Shape</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a895ba8656a146d26a0c531e9dbea2e14">Clone</a> (<a class="el" href="classb2_block_allocator.html">b2BlockAllocator</a> *allocator) const </td></tr>
<tr class="memdesc:a895ba8656a146d26a0c531e9dbea2e14"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement <a class="el" href="classb2_shape.html">b2Shape</a>. <br/></td></tr>
<tr class="separator:a895ba8656a146d26a0c531e9dbea2e14"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a64b58799675edc9a6debc09c0d6ddce4"><td class="memItemLeft" align="right" valign="top">int32&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a64b58799675edc9a6debc09c0d6ddce4">GetChildCount</a> () const </td></tr>
<tr class="separator:a64b58799675edc9a6debc09c0d6ddce4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a77171941cd1633c337fed1efb366bebb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a77171941cd1633c337fed1efb366bebb"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a77171941cd1633c337fed1efb366bebb">TestPoint</a> (const <a class="el" href="structb2_transform.html">b2Transform</a> &amp;transform, const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;p) const </td></tr>
<tr class="memdesc:a77171941cd1633c337fed1efb366bebb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement <a class="el" href="classb2_shape.html">b2Shape</a>. <br/></td></tr>
<tr class="separator:a77171941cd1633c337fed1efb366bebb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9a3fa0f2c16af60debd19d275a6d4291"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a9a3fa0f2c16af60debd19d275a6d4291">ComputeDistance</a> (const <a class="el" href="structb2_transform.html">b2Transform</a> &amp;xf, const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;p, float32 *distance, <a class="el" href="structb2_vec2.html">b2Vec2</a> *normal, int32 childIndex) const </td></tr>
<tr class="separator:a9a3fa0f2c16af60debd19d275a6d4291"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a76175079381193917026fdf3702190fa"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a76175079381193917026fdf3702190fa"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a76175079381193917026fdf3702190fa">RayCast</a> (<a class="el" href="structb2_ray_cast_output.html">b2RayCastOutput</a> *output, const <a class="el" href="structb2_ray_cast_input.html">b2RayCastInput</a> &amp;input, const <a class="el" href="structb2_transform.html">b2Transform</a> &amp;transform, int32 childIndex) const </td></tr>
<tr class="memdesc:a76175079381193917026fdf3702190fa"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implement <a class="el" href="classb2_shape.html">b2Shape</a>. <br/></td></tr>
<tr class="separator:a76175079381193917026fdf3702190fa"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa6889a5af85aa1e272547fd0008eb64a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#aa6889a5af85aa1e272547fd0008eb64a">ComputeAABB</a> (<a class="el" href="structb2_a_a_b_b.html">b2AABB</a> *aabb, const <a class="el" href="structb2_transform.html">b2Transform</a> &amp;transform, int32 childIndex) const </td></tr>
<tr class="separator:aa6889a5af85aa1e272547fd0008eb64a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a335edea2ef84789e102dde41ca889828"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a335edea2ef84789e102dde41ca889828">ComputeMass</a> (<a class="el" href="structb2_mass_data.html">b2MassData</a> *massData, float32 density) const </td></tr>
<tr class="separator:a335edea2ef84789e102dde41ca889828"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8644ce19547e5efaf43bd8ec543e284e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8644ce19547e5efaf43bd8ec543e284e"></a>
int32&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a8644ce19547e5efaf43bd8ec543e284e">GetSupport</a> (const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;d) const </td></tr>
<tr class="memdesc:a8644ce19547e5efaf43bd8ec543e284e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the supporting vertex index in the given direction. <br/></td></tr>
<tr class="separator:a8644ce19547e5efaf43bd8ec543e284e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa23975b480495bf8bc70073d4f135fd2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa23975b480495bf8bc70073d4f135fd2"></a>
const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#aa23975b480495bf8bc70073d4f135fd2">GetSupportVertex</a> (const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;d) const </td></tr>
<tr class="memdesc:aa23975b480495bf8bc70073d4f135fd2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the supporting vertex in the given direction. <br/></td></tr>
<tr class="separator:aa23975b480495bf8bc70073d4f135fd2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a477a087b143147223e4b9fbb6581acf1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a477a087b143147223e4b9fbb6581acf1"></a>
int32&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a477a087b143147223e4b9fbb6581acf1">GetVertexCount</a> () const </td></tr>
<tr class="memdesc:a477a087b143147223e4b9fbb6581acf1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the vertex count. <br/></td></tr>
<tr class="separator:a477a087b143147223e4b9fbb6581acf1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a029e555a3ea76b00479b051f1b813c3a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a029e555a3ea76b00479b051f1b813c3a"></a>
const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a029e555a3ea76b00479b051f1b813c3a">GetVertex</a> (int32 index) const </td></tr>
<tr class="memdesc:a029e555a3ea76b00479b051f1b813c3a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get a vertex by index. Used by b2Distance. <br/></td></tr>
<tr class="separator:a029e555a3ea76b00479b051f1b813c3a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classb2_shape"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classb2_shape')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classb2_shape.html">b2Shape</a></td></tr>
<tr class="memitem:a3b6093f16c18f8a877519a29674abca0 inherit pub_methods_classb2_shape"><td class="memItemLeft" align="right" valign="top">Type&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_shape.html#a3b6093f16c18f8a877519a29674abca0">GetType</a> () const </td></tr>
<tr class="separator:a3b6093f16c18f8a877519a29674abca0 inherit pub_methods_classb2_shape"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a190705618b2e65f636f1dc03c63640ff"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a190705618b2e65f636f1dc03c63640ff"></a>
<a class="el" href="structb2_vec2.html">b2Vec2</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classb2_circle_shape.html#a190705618b2e65f636f1dc03c63640ff">m_p</a></td></tr>
<tr class="memdesc:a190705618b2e65f636f1dc03c63640ff"><td class="mdescLeft">&#160;</td><td class="mdescRight">Position. <br/></td></tr>
<tr class="separator:a190705618b2e65f636f1dc03c63640ff"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_attribs_classb2_shape"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_classb2_shape')"><img src="closed.png" alt="-"/>&#160;Public Attributes inherited from <a class="el" href="classb2_shape.html">b2Shape</a></td></tr>
<tr class="memitem:adb051791133b24f53c6e9a565a7b7bbb inherit pub_attribs_classb2_shape"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adb051791133b24f53c6e9a565a7b7bbb"></a>
Type&#160;</td><td class="memItemRight" valign="bottom"><b>m_type</b></td></tr>
<tr class="separator:adb051791133b24f53c6e9a565a7b7bbb inherit pub_attribs_classb2_shape"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5de7a9bd3f9e72ef7025a65c304aaf1a inherit pub_attribs_classb2_shape"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5de7a9bd3f9e72ef7025a65c304aaf1a"></a>
float32&#160;</td><td class="memItemRight" valign="bottom"><b>m_radius</b></td></tr>
<tr class="separator:a5de7a9bd3f9e72ef7025a65c304aaf1a inherit pub_attribs_classb2_shape"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classb2_shape"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classb2_shape')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="classb2_shape.html">b2Shape</a></td></tr>
<tr class="memitem:a4c1f3a9ad6b3150bb90ad9018ca4b1e0 inherit pub_types_classb2_shape"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><b>Type</b> { <br/>
&#160;&#160;<b>e_circle</b> = 0, 
<b>e_edge</b> = 1, 
<b>e_polygon</b> = 2, 
<b>e_chain</b> = 3, 
<br/>
&#160;&#160;<b>e_typeCount</b> = 4
<br/>
 }</td></tr>
<tr class="separator:a4c1f3a9ad6b3150bb90ad9018ca4b1e0 inherit pub_types_classb2_shape"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A circle shape. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="aa6889a5af85aa1e272547fd0008eb64a"></a>
<div class="memitem">
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  <td class="mlabels-left">
      <table class="memname">
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          <td class="memname">void b2CircleShape::ComputeAABB </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structb2_a_a_b_b.html">b2AABB</a> *&#160;</td>
          <td class="paramname"><em>aabb</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structb2_transform.html">b2Transform</a> &amp;&#160;</td>
          <td class="paramname"><em>transform</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int32&#160;</td>
          <td class="paramname"><em>childIndex</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classb2_shape.html#a88e9807fab0c8ca9a98d8926e50a1411">b2Shape::ComputeAABB</a> </dd></dl>

<p>Implements <a class="el" href="classb2_shape.html#a88e9807fab0c8ca9a98d8926e50a1411">b2Shape</a>.</p>

</div>
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<a class="anchor" id="a9a3fa0f2c16af60debd19d275a6d4291"></a>
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          <td class="memname">void b2CircleShape::ComputeDistance </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="structb2_transform.html">b2Transform</a> &amp;&#160;</td>
          <td class="paramname"><em>xf</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;&#160;</td>
          <td class="paramname"><em>p</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float32 *&#160;</td>
          <td class="paramname"><em>distance</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="structb2_vec2.html">b2Vec2</a> *&#160;</td>
          <td class="paramname"><em>normal</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int32&#160;</td>
          <td class="paramname"><em>childIndex</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
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</div><div class="memdoc">
<p>Compute the distance from the current shape to the specified point. This only works for convex shapes. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">xf</td><td>the shape world transform. </td></tr>
    <tr><td class="paramname">p</td><td>a point in world coordinates. </td></tr>
    <tr><td class="paramname">distance</td><td>returns the distance from the current shape. </td></tr>
    <tr><td class="paramname">normal</td><td>returns the direction in which the distance increases. </td></tr>
  </table>
  </dd>
</dl>

<p>Implements <a class="el" href="classb2_shape.html#aa86f47d864e8236aacc7e922e5d3979a">b2Shape</a>.</p>

</div>
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<a class="anchor" id="a335edea2ef84789e102dde41ca889828"></a>
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          <td class="memname">void b2CircleShape::ComputeMass </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="structb2_mass_data.html">b2MassData</a> *&#160;</td>
          <td class="paramname"><em>massData</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float32&#160;</td>
          <td class="paramname"><em>density</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
        </tr>
      </table>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classb2_shape.html#a61b365526241b47f124789b0309cac69">b2Shape::ComputeMass</a> </dd></dl>

<p>Implements <a class="el" href="classb2_shape.html#a61b365526241b47f124789b0309cac69">b2Shape</a>.</p>

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          <td class="memname">int32 b2CircleShape::GetChildCount </td>
          <td>(</td>
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          <td> const</td>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classb2_shape.html#a05a3c445017d96df9238ceefe6ce37ab" title="Get the number of child primitives. ">b2Shape::GetChildCount</a> </dd></dl>

<p>Implements <a class="el" href="classb2_shape.html#a05a3c445017d96df9238ceefe6ce37ab">b2Shape</a>.</p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="b2_circle_shape_8h_source.html">b2CircleShape.h</a></li>
<li>b2CircleShape.cpp</li>
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